﻿using System.Data;

namespace common
{
    public abstract class db_helper
    {
        public static string server;
        public static string database;
        public static string uid;
        public static string pwd;

        public static DataTable get_data_table(string sql)
        {
            throw new System.NotImplementedException();
        }

        public static string GetConnString()
        {
            throw new System.NotImplementedException();
        }

        public static int ExecuteNonQuery(string Query)
        {
            throw new System.NotImplementedException();
        }
    }
}